National Stock Number
2990-01-220-5791
National Stock Number (NSN) 2990-01-220-5791, or NIIN 012205791, (hanger,engine exhaust system) was assigned November 16, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 05, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 36097. [A METAL OR COMBINATION METAL AND RUBBER DEVICE DESIGNED TO ABSORB SHOCK AND/OR SUSPEND, MUFFLERS, TAIL PIPES AND THE LIKE. MAY INCLUDE ITEMS SUCH AS U-BOLT(S), WASHERS, NUTS AND THE LIKE. EXCLUDES:STRAP, RETAINING; AND BRACKET (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2990012205791 does not contain precious metals.
This information was last updated on Jul 01, 2025.